.mymodel-wrap{position:fixed;top:0;right:0;bottom:0;left:0;background-color:rgba(0,0,0,0.6);}
.mymodel-close{position:absolute;right:0;transform:translateY(-150%);color:#fff;line-height:1;font-size:0.3rem;}
.mymodel-content{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background-color:#fff;width:90%;}